gsc-tool/src/utils/xsk/byte_buffer.cpp

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2020-05-21 07:32:38 -04:00
// Copyright 2021 xensik. All rights reserved.
//
// Use of this source code is governed by a GNU GPLv3 license
// that can be found in the LICENSE file.
#include "stdafx.hpp"
namespace xsk::gsc::utils
{
byte_buffer::byte_buffer()
{
data_.resize(0x1000000);
std::fill(data_.begin(), data_.end(), 0);
size_ = data_.size();
pos_ = 0;
}
byte_buffer::byte_buffer(std::size_t size)
{
data_.resize(size);
std::fill(data_.begin(), data_.end(), 0);
size_ = size;
pos_ = 0;
}
byte_buffer::byte_buffer(const std::vector<std::uint8_t>& data)
{
data_ = data;
size_ = data.size();
pos_ = 0;
}
byte_buffer::~byte_buffer()
{
data_.clear();
pos_ = 0;
}
void byte_buffer::clear()
{
std::fill(data_.begin(), data_.end(), 0);
}
auto byte_buffer::is_avail() -> bool
{
if (pos_ < data_.size()) return true;
return false;
}
void byte_buffer::seek(std::size_t pos)
{
pos_ += pos;
}
void byte_buffer::seek_neg(std::size_t pos)
{
pos_ -= pos;
}
void byte_buffer::write_string(const std::string& data)
{
strcpy(reinterpret_cast<char*>(data_.data() + pos_), data.data());
pos_ += data.size();
}
void byte_buffer::write_c_string(const std::string& data)
{
strcpy(reinterpret_cast<char*>(data_.data() + pos_), data.data());
pos_ += data.size() + 1;
}
auto byte_buffer::read_c_string() -> std::string
{
auto ret = std::string(reinterpret_cast<const char*>(data_.data() + pos_));
pos_ += ret.size() + 1;
return ret;
}
auto byte_buffer::print_bytes(std::size_t pos, std::size_t count) -> std::string
{
std::string shit;
for (auto i = pos; i < pos + count; i++)
{
shit += utils::string::va("%s %02X", shit.data(), (*reinterpret_cast<std::uint8_t*>(data_.data() + i)));
}
return shit;
}
auto byte_buffer::pos() -> std::size_t
{
return pos_;
}
auto byte_buffer::buffer() -> std::vector<std::uint8_t>&
{
return data_;
}
} // namespace xsk::utils